A migrant carries fire wood at Principovac camp for migrants near Sid, Serbia, May 21, 2020. Picture taken May 21, 2020. REUTERS/Marko Djurica

Anti-HS2 campaigners sit around a fire at a protest camp surrounded by trees set to be felled to make way for Britain's HS2 high-speed railway project in ancient woodland in South Cubbington Wood near Leamington Spa, Britain, March 2, 2020. Picture taken March 2, 2020. REUTERS/Hannah McKay

Anti-HS2 campaigner Mary Aldred sits around a fire in a protest camp surrounded by trees set to be felled to make way for Britain's HS2 high-speed railway project in ancient woodland in South Cubbington Wood near Leamington Spa, Britain, March 2, 2020. Picture taken March 2, 2020. REUTERS/Hannah McKay

A burnt bed is seen following a fire in containers used to house refugees and migrants in the Moria camp on the island of Lesbos, Greece, March 16, 2020. REUTERS/Elias Marcou

Refugees and migrants gather around a firefighting vehicle as a fire burns containers used as shelter in the Moria camp on the island of Lesbos, Greece, March 16, 2020. REUTERS/Elias Marcou

Smoke rises as a fire burns containers used to house refugees and migrants in the Moria camp on the island of Lesbos, Greece, March 16, 2020. REUTERS/Elias Marcou

A woman reacts as a fire burns containers used to house refugees and migrants in the Moria camp on the island of Lesbos, Greece, March 16, 2020. REUTERS/Elias Marcou

Somali families, displaced after fleeing the Lower Shabelle region amid an uptick in U.S. airstrikes, sit near a fire at an IDP (internally displaced person) camp near Mogadishu, Somalia March 12, 2020. Picture taken March 12, 2020. REUTERS/Feisal Omar

A Somali woman, displaced after fleeing the Lower Shabelle region amid an uptick in U.S. airstrikes, starts a fire at an IDP (internally displaced person) camp near Mogadishu, Somalia March 12, 2020. Picture taken March 12, 2020. REUTERS/Feisal Omar

A Somali child, displaced after fleeing the Lower Shabelle region amid an uptick in U.S. airstrikes, tries to make a fire at an IDP (internally displaced person) camp near Mogadishu, Somalia March 12, 2020. Picture taken March 12, 2020. REUTERS/Feisal Omar

A woman lights up a fire at a makeshift camp for refugees and migrants next to the Moria camp, on the island of Lesbos, Greece, March 7, 2020. REUTERS/Costas Baltas

Demonstrators, who oppose the building of a new closed migrant detention centre, are seen next to fires as they clash with riot police outside a military camp housing police officers, near the village of Pagani on the island of Lesbos, Greece, February 26, 2020. REUTERS/Costas Baltas

A demonstrator who opposes the building of a new closed migrant detention centre, carries tyres next to fires during clashes with riot police outside a military camp housing police officers, near the village of Pagani on the island of Lesbos, Greece, February 26, 2020. REUTERS/Costas Baltas

A youth lights a fire on train tracks just after the first Canadian National Railway (CN Rail) train passed through the Tyendinaga Mohawk Territory, after a camp next to the tracks was raided by police earlier in the day, in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

A youth lights a fire on train tracks just after the first Canadian National Railway (CN Rail) train passed through the Tyendinaga Mohawk Territory, after a camp next to the tracks was raided by police earlier in the day, in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

People stand next to a pile of tires on fire near to a second smaller encampment during a raid to the Tyendinaga Mohawk Territory main camp in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

People stand next to a pile of tires on fire near to a second smaller encampment during a raid to the Tyendinaga Mohawk Territory main camp in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

A pile of tires on fire is seen as First Nations members cross the train tracks near to a second smaller encampment to talk with police officers during a raid to the Tyendinaga Mohawk Territory main camp in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

Smoke from tires set on fire by protesters is seen as police officers stand guard on the road bridge over the train tracks near to a second smaller encampment during a raid to the Tyendinaga Mohawk Territory main camp in Tyendinaga, Ontario, Canada February 24, 2020. REUTERS/Chris Helgren

Internally displaced children start a fire at a makeshift camp in Qatmah village, West of Azaz, Syria February 17, 2020. REUTERS/Khalil Ashawi

First Nations members of the Tyendinaga Mohawk Territory keep warm near a fire barrel at a camp next to a railway crossing, in support of the Wet'suwet'en Nation who are trying to stop construction of British Columbia's Coastal GasLink pipeline, in Tyendinaga, Ontario, Canada February 12, 2020. Picture taken February 12, 2020. REUTERS/Chris Helgren REUTERS/Chris Helgren

Smoke from a wood fire rises at dawn in -23 Celsius (-9 Fahrenheit) temperatures from the camp of First Nations members of the Tyendinaga Mohawk Territory as they continue to block train tracks servicing Via Rail, as part of a protest against British Columbia's Coastal GasLink pipeline, in Tyendinaga, Ontario, Canada, February 14, 2020. REUTERS/Chris Helgren

Smoke from wood fires rises from the camp of First Nations members of the Tyendinaga Mohawk Territory as they continue to block train tracks servicing Via Rail, as part of a protest against British Columbia's Coastal GasLink pipeline, in Tyendinaga, Ontario, Canada February 14, 2020. REUTERS/Chris Helgren

Demonstrators set fire to a makeshift Israeli and U.S. flag during a protest against U.S. President Donald TrumpÕs Middle East peace plan, in Ain al-Hilweh Palestinian refugee camp, near Sidon, Lebanon January 29, 2020. REUTERS/Ali Hashisho

Iraqi demonstrators build camps with bricks to replace tents that were set on fire by unidentified gunmen during ongoing anti-government protests in Nassiriya, Iraq January 28, 2020. REUTERS/Ahmed Dhahi

Iraqi demonstrators build camps with bricks to replace tents that were set on fire by unidentified gunmen during ongoing anti-government protests in Nassiriya, Iraq January 28, 2020. REUTERS/Ahmed Dhahi

Iraqi demonstrators build camps with bricks to replace tents that were set on fire by unidentified gunmen during ongoing anti-government protests in Nassiriya, Iraq January 28, 2020. REUTERS/Ahmed Dhahi

Iraqi demonstrators build camps with bricks to replace tents that were set on fire by unidentified gunmen during ongoing anti-government protests in Nassiriya, Iraq January 28, 2020. REUTERS/Ahmed Dhahi

Migrants sit near a fire during the evacuation of a makeshift camp set up near the La Porte d'Aubervilliers in Paris, France, January 28, 2020. REUTERS/Gonzalo Fuentes

Migrants stand near a fire during the evacuation of a makeshift camp set up near the La Porte d'Aubervilliers in Paris, France, January 28, 2020. REUTERS/Gonzalo Fuentes

A pot is placed on a fire during a rainfall at a makeshift camp for refugees and migrants next to the Moria camp, on the island of Lesbos, Greece, December 13, 2019. REUTERS/Giorgos Moutafis

A Palestinian man sits next to a fire to warm himself on a rainy day in Al-Shati refugee camp in Gaza City December 10, 2019. REUTERS/Mohammed Salem

A Guajajara Indian "forest guardian" stands by a fire at a loggers camp on Arariboia indigenous land near the city of Amarante, Maranhao state, Brazil, September 12, 2019. REUTERS/Ueslei Marcelino/File Photo SEARCH "AMAZON POY" FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2019 PACKAGES. TPX IMAGES OF THE DAY.

A migrant is seen next to a fire in a snow covered makeshift forest camp near Croatian border in Bihac, Bosnia and Herzegovina December 3, 2019. REUTERS/Dado Ruvic

Migrants warm up next to a fire in a makeshift forest camp near Croatian border in Bihac, Bosnia and Herzegovina December 3, 2019. REUTERS/Dado Ruvic

Migrants warm up next to a fire in a makeshift forest camp near Croatian border in Bihac, Bosnia and Herzegovina December 3, 2019. REUTERS/Dado Ruvic

A devotee lights a fire as he camps near the temple during the "Gadhimai Mela" festival held at Bariyarpur in Nepal December 1, 2019. The festival, renowned for its large number of animal sacrifices, is held every five years at the Gadhimai Temple where devotees from Nepal and bordering India will sacrifice buffaloes, goats and birds while offering prayers to Gadhimai, the goddess of power. REUTERS/Navesh Chitrakar

Migrants warm themselves by the fire inside Vucjak camp near Bihac, Bosnia and Herzegovina, November 14, 2019. REUTERS/Marko Djurica

Migrants warm themselves by the fire in a tent inside Vucjak camp near Bihac, Bosnia and Herzegovina, November 14, 2019. REUTERS/Marko Djurica

A migrant warms himself by the fire inside Vucjak camp near Bihac, Bosnia and Herzegovina, November 13, 2019. Picture taken November 13, 2019. REUTERS/Marko Djurica

Migrants warm themselves by the fire inside their tent inside Vucjak camp near Bihac, Bosnia and Herzegovina, November 13, 2019. Picture taken November 13, 2019. REUTERS/Marko Djurica

Soldiers from the Combat Support Squadron of the First Battalion of the Northern Brigade of the Norwegian Army warm themselves around a fire in their camp during "Reindeer 2" Norwegian-U.S. military drill in Setermoen, Norway, October 29, 2019. REUTERS/Stoyan Nenov

Soldiers from the Combat Support Squadron of the First Battalion of the Northern Brigade of the Norwegian Army warm themselves around a fire in their camp during "Reindeer 2", a Norwegian-U.S. military drill in Setermoen, Norway, October 29, 2019. REUTERS/Stoyan Nenov SEARCH "NORWAY-RUSSIA BORDER" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Migrants warm themselves by the fire inside Vucjak camp near Bihac, Bosnia and Herzegovina, October 29, 2019. REUTERS/Marko Djurica SEARCH "BIHAC CAMP" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Migrants warm themselves by the fire inside Vucjak camp near Bihac, Bosnia and Herzegovina, October 30, 2019. REUTERS/Marko Djurica SEARCH "BIHAC CAMP" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Migrants warm themselves by the fire inside Vucjak camp near Bihac, Bosnia and Herzegovina, October 29, 2019. REUTERS/Marko Djurica SEARCH "BIHAC CAMP" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Migrants warm themselves by the fire inside Vucjak camp near Bihac, Bosnia and Herzegovina, October 29, 2019. REUTERS/Marko Djurica SEARCH "BIHAC CAMP" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY

Tents of anti-government protesters are set on fire after their camp was attacked during ongoing anti-government protest, Lebanon October 29, 2019. REUTERS/Mohamed Azakir

Tents of anti-government protesters are set on fire after their camp was attacked during ongoing anti-government protest, Lebanon October 29, 2019. REUTERS/Mohamed Azakir

Civil Protection firefighters extinguish fire from a vehicle at Hal Far Open Centre migrant camp following riots at the camp in Hal Far, Malta, October 21, 2019. REUTERS/Darrin Zammit Lupi

View of a camp for refugees and migrants following a fire on the island of Samos, Greece, October 15, 2019. REUTERS/Samiaki TV

Burned beds and tents are seen at a camp for refugees and migrants following a fire on the island of Samos, Greece, October 15, 2019. REUTERS/Samiaki TV

FILE PHOTO: PG&E works on power lines to repair damage caused by the Camp Fire in Paradise, California, U.S. November 21, 2018. To match Special Report USA-FUNDS/INDEX REUTERS/Elijah Nouvelage/File Photo

Men warm themselves next to a fire at a makeshift camp for refugees and migrants next to the Moria camp, following a rainfall on the island of Lesbos, Greece, October 8, 2019. REUTERS/Elias Marcou

Police officers stand next to burnt containers following a fire as migrants make their way in Moria camp on the island of Lesbos, Greece, September 30, 2019. REUTERS/Alkis Konstantinidis